Secondary air inlet split hearth and heating furnace employing same
A secondary air intake and split-type technology, which is applied in household stoves/stoves, solid heating fuel, lighting and heating equipment, etc., can solve the problems of heavy welding workload, difficult processing, etc., and achieve easy processing, The effect of reducing processing difficulty
Inactive Publication Date: 2013-09-18
覃宏恩
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Problems solved by technology
[0004] It is difficult to process the air inlet channel by welding in the furnace, especially the inner plate of the furnace, which is a three-dimensional curved surface structure, which is difficult to process, and the welding workload in the later stage is large, and it is not easy to operate due to the small space in the furnace
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Embodiment Construction
[0024] Such as figure 1 Among them, a secondary air inlet split type furnace, including a furnace 5, the furnace 5 has an upper burner 1 with a reduced diameter;
[0025] The upper cover 3 matched with the upper end of the furnace 5, an annular cavity 4 is formed between the upper cover 3 and the furnace 5;
[0026] The upper cover 3 or the furnace 5 are provided with a plurality of secondary air inlet slots 2 communicating with the upper burner 1 and the annular cavity 4; figure 1 Among them, preferably the secondary air intake slot 2 is set on the upper cover 3, but it is also feasible to set it on the furnace 5.
[0027] One or more secondary air inlet pipes 7 communicate with the annular cavity 4 . The secondary air intake pipe 7, the annular cavity 4 and the secondary air intake groove 2 form a secondary air intake channel independent of the furnace. It is used to supplement the air from the upper burner port 1 when the fuel is burning, so that the fuel can be fully bu...
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The invention discloses a heating furnace employing a secondary air inlet split hearth. The heating furnace comprises a furnace body, an upper cover, a plurality of secondary air inlet grooves and a plurality of secondary air inlet pipes, wherein a base is arranged below the furnace body; the hearth is formed in the furnace body and is provided with a reducing upper fire hole; the upper cover is matched with the upper end of the hearth; an annular cavity is formed between the upper cover and the hearth; the upper cover or the hearth is provided with the secondary air inlet grooves for communicating the upper fire hole and the annular cavity; and one ends of the secondary air inlet pipes are communicated with the annular cavity, and the other ends of the secondary air inlet pipes are communicated with the base. The inner side of the upper cover is in contact fit with the hearth at the upper fire hole, and the outer side of the upper cover is in contact fit with the hearth on the outer wall of the hearth. According to the secondary air inlet split hearth and the heating furnace employing the hearth, by the split structure, the upper cover is combined with the hearth to form the annular cavity for secondary air inlet, the secondary air inlet grooves form secondary air inlet channels to facilitate processing, and a casting part can be conveniently adopted as the upper cover, so that the processing difficulty is reduced.
Description
technical field [0001] The invention relates to the field of a furnace and a heating furnace, in particular to a secondary air inlet split type furnace and a heating furnace using the furnace. Background technique [0002] There is a secondary air intake structure in the biomass heating furnace, which can ensure the full combustion of the fuel by adding new air. [0003] Chinese patent 200910261030.7 discloses a return air gasifier with bottom air intake, and another Chinese patent 200910060862.2 discloses a return air gasifier. By welding the inner plate of the furnace in the furnace, an air inlet channel is formed to communicate with the air inlet pipe, so that At the same time, it has the advantages of the return air furnace and the gasification furnace. [0004] Welding in the furnace to form the intake channel is difficult to process, especially the inner plate of the furnace is a three-dimensional curved surface structure, which is difficult to process, and the later ...
Claims
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IPC IPC(8): F24B1/197F24B1/19
Inventor 覃宏恩
Owner 覃宏恩